PEF20525 INFINEON [Infineon Technologies AG], PEF20525 Datasheet - Page 235
![no-image](/images/no-image-200.jpg)
PEF20525
Manufacturer Part Number
PEF20525
Description
2 Channel Serial Optimized Communication Controller for HDLC/PPP
Manufacturer
INFINEON [Infineon Technologies AG]
Datasheet
1.PEF20525.pdf
(252 pages)
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Figure 69
Figure 70
Table 23
No. Parameter
40
41
42
43
44
45
46
Data Sheet
(1) During DMA cycles, FIFO is selected with the corresponding FIFO address plus CS asserted, or with
(1) During DMA cycles, FIFO is selected with the corresponding FIFO address plus CS asserted, or with
DACK asserted.
DACK asserted.
active address to active DS setup time
inactive DS to inactive address hold time
active CS to active DS setup time
inactive DS to inactive CS hold time
active R/W to active DS setup time
inactive DS to inactive R/W hold time
DS active pulse width (read access)
DACK
DACK
CS
DRR
R/W
CS
DRT
R/W
DS
DS
1)
1)
Motorola DMA Read Cycle Timing
Motorola DMA Write Cycle Timing
Motorola Bus Interface Timing
235
last read access to
min.
0
0
0
0
0
0
30
56
last write access to
57
1)
Electrical Characteristics
RFIFO
Limit Values
XFIFO
max.
PEB 20525
PEF 20525
2000-09-14
Unit
ns
ns
ns
ns
ns
ns
ns
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